private Matrix ParseToMatrix(string tranform)
{
if (!string.IsNullOrEmpty(tranform))
{
if (tranform.Contains("translate"))
{
int begin = tranform.IndexOf("(") + 1, end = tranform.IndexOf(")");
string[] values = tranform.Substring(begin, end - begin).Split(',');
return(new System.Drawing.Drawing2D.Matrix(1, 0, 0, 1, PaintObject.ParseToFloat(values[0]), PaintObject.ParseToFloat(values[1])));
}
if (tranform.Contains("matrix"))
{
int begin = tranform.IndexOf("(") + 1, end = tranform.IndexOf(")");
string[] values = tranform.Substring(begin, end - begin).Split(',');
return(new System.Drawing.Drawing2D.Matrix(
PaintObject.ParseToFloat(values[0]),
PaintObject.ParseToFloat(values[1]),
PaintObject.ParseToFloat(values[2]),
PaintObject.ParseToFloat(values[3]),
PaintObject.ParseToFloat(values[4]),
PaintObject.ParseToFloat(values[5])));
}
}
return(new System.Drawing.Drawing2D.Matrix(1, 0, 0, 1, 0, 0));
}
public Bitmap CreateBitmapFromSvg(float scale = 1F)
{
Size bitmapSize = new SizeF((float)MapSize.Width / scale, (float)MapSize.Height / scale).ToSize();
Bitmap bitmap = new Bitmap(bitmapSize.Width, bitmapSize.Height);
Graphics g = Graphics.FromImage(bitmap);
g.Clear(Color.White);
foreach (var obj in PaintObjectList)
{
Matrix matrix = obj.GetTransformMatrix();
matrix.Scale(1.0F / scale, 1.0F / scale, MatrixOrder.Append);
g.Transform = matrix;
switch (obj.Name)
{
case "path":
{
string data;
if (!obj.TryGetAttributeValue("data", out data))
{
continue;
}
string[] val = data.Split(new string[] { " " }, StringSplitOptions.RemoveEmptyEntries);
PointF currentPoint = new PointF(0, 0);
SVSObjectStyle style = obj.GetStyle();
GraphicsPath path = new GraphicsPath();
for (int i = 0; i < val.Length; i++)
{
if (val[i] == "m")
{
i++;
var p = StringToPoint(val[i]);
currentPoint = PointF.Add(currentPoint, new SizeF(p.X, p.Y));
while (i < val.Length - 1)
{
if (val[i + 1].Length == 1)
{
break;
}
i++;
PointF nextPoint = StringToPoint(val[i]);
nextPoint.X += currentPoint.X;
nextPoint.Y += currentPoint.Y;
path.AddLine(currentPoint, nextPoint);
currentPoint = nextPoint;
}
continue;
}
if (val[i] == "M")
{
i++;
currentPoint = StringToPoint(val[i]);
while (i < val.Length - 1)
{
if (val[i + 1].Length == 1)
{
break;
}
i++;
PointF nextPoint = StringToPoint(val[i]);
path.AddLine(currentPoint, nextPoint);
currentPoint = nextPoint;
}
continue;
}
if (val[i] == "l")
{
while (i < val.Length - 1)
{
if (val[i + 1].Length == 1)
{
break;
}
i++;
PointF nextPoint = StringToPoint(val[i]);
nextPoint.X += currentPoint.X;
nextPoint.Y += currentPoint.Y;
path.AddLine(currentPoint, nextPoint);
currentPoint = nextPoint;
}
}
if (val[i] == "L")
{
while (i < val.Length - 1)
{
if (val[i + 1].Length == 1)
{
break;
}
i++;
PointF nextPoint = StringToPoint(val[i]);
path.AddLine(currentPoint, nextPoint);
currentPoint = nextPoint;
}
}
if (val[i] == "c")
{
while (i < val.Length - 1)
{
PointF bez1 = new PointF(currentPoint.X + StringToPoint(val[i + 1]).X, currentPoint.Y + StringToPoint(val[i + 1]).Y);
PointF bez2 = new PointF(currentPoint.X + StringToPoint(val[i + 2]).X, currentPoint.Y + StringToPoint(val[i + 2]).Y);
PointF finish = new PointF(currentPoint.X + StringToPoint(val[i + 3]).X, currentPoint.Y + StringToPoint(val[i + 3]).Y);
path.AddBezier(currentPoint, bez1, bez2, finish);
currentPoint = finish;
i += 3;
if (i < val.Length - 1)
{
if (val[i + 1].Length == 1)
{
break;
}
}
}
}
if (val[i] == "C")
{
while (i < val.Length - 1)
{
PointF bez1 = new PointF(StringToPoint(val[i + 1]).X, StringToPoint(val[i + 1]).Y);
PointF bez2 = new PointF(StringToPoint(val[i + 2]).X, StringToPoint(val[i + 2]).Y);
PointF finish = new PointF(StringToPoint(val[i + 3]).X, StringToPoint(val[i + 3]).Y);
path.AddBezier(currentPoint, bez1, bez2, finish);
currentPoint = finish;
i += 3;
if (i < val.Length - 1)
{
if (val[i + 1].Length == 1)
{
break;
}
}
}
}
if (val[i].ToLower() == "a")
{
i++;
PointF point = StringToPoint(val[i]);
float w = point.X * 2;
float h = point.Y * 2;
float x = currentPoint.X - w;
float y = currentPoint.Y - h / 2;
path.AddEllipse(x, y, w, h);
}
if (val[i].ToLower() == "z")
{
if (val[i - 1].Length == 1 && val[1].Length == 1)
{
break;
}
path.CloseFigure();
break;
}
}
g.FillPath(style.GetBrush(), path);
g.DrawPath(style.GetPen(scale), path);
break;
}
case "rect":
{
float x = PaintObject.ParseToFloat(obj.GetAttributeValue("x"));
float y = PaintObject.ParseToFloat(obj.GetAttributeValue("y"));
float w = PaintObject.ParseToFloat(obj.GetAttributeValue("width"));
float h = PaintObject.ParseToFloat(obj.GetAttributeValue("height"));
SVSObjectStyle style = obj.GetStyle();
g.FillRectangle(style.GetBrush(), x, y, w, h);
g.DrawRectangle(style.GetPen(scale), x, y, w, h);
break;
}
}
g.ResetTransform();
}
return(bitmap);
}